* My college physics book, published 37 years before the accident, notes that “pine trees are particularly sensitive to radiation damage” and showed “deleterious effects” at 1–2 roentgens per day; 20–30 roentgens per day allegedly killed them. Since a rem is about a roentgen, and 1 rem = 10 millisieverts, then 10 to 20 millis per day (3.65 to 7.30 sieverts per year) would do the job. This would be a horribly dangerous amount of radiation, and whether Plant No. 1 was still generating such a field I cannot say.—As it happens, I have heard of red pines at Chernobyl, and also at Hiroshima. One of the two decontamination workers I interviewed in Iwaki had worked at Plant No. 1. He failed to notice any red pines since his visor restricted his vision and he had more important things to see. When I went to Okuma I got a pretty view of No. 1 from about 2.5 kilometers away. In conspicuous evidence was tank, tank, tank, but from that distance I could perceive no irregularities among the pine trees.—A Greenpeace study released in 2016 did not mention pines, but found “apparent increases in growth mutations of fir trees.”